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Rules for the Classification of Steel Ships

These sheets contain amendments within the following Sections of the April 2007 issue of the Rules for the Classification of Steel Ships. These amendments are effective from July 1st, 2007.

Part

Volume

Chapter

Section

Part B

NR 467 B2 DT R03E

Part B Part D Part E

NR 467 B3 DT R03E NR 467 D3 DT R03E NR 467 E2 DT R03E

Ch 6 Ch 7 Ch 8 Ch 9 Ch 20 Ch 21 Ch 10

Sec 2 Sec 2, Sec 4 Sec 4 Sec 1, Sec 2 Sec 3 Sec 2 Sec 11

ARTICLE 1 1.1. - BUREAU VERITAS is a Society the purpose of whose Marine Division (the Society) is the classification (Classification) of any ship or vessel or structure of any type or part of it or system therein collectively hereinafter referred to as a Unit whether linked to shore, river bed or sea bed or not, whether operated or located at sea or in inland waters or partly on land, including submarines, hovercrafts, drilling rigs, offshore installations of any type and of any purpose, their related and ancillary equipment, subsea or not, such as well head and pipelines, mooring legs and mooring points or otherwise as decided by the Society. The Society: prepares and publishes Rules for classification, Guidance Notes and other documents (Rules); issues Certificates, Attestations and Reports following its interventions (Certificates); publishes Registers. 1.2. - The Society also participates in the application of National and International Regulations or Standards, in particular by delegation from different Governments. Those activities are hereafter collectively referred to as Certification. 1.3. - The Society can also provide services related to Classification and Certification such as ship and company safety management certification; ship and port security certification, training activities; all activities and duties incidental thereto such as documentation on any supporting means, software, instrumentation, measurements, tests and trials on board. 1.4. - The interventions mentioned in 1.1., 1.2. and 1.3. are referred to as Services. The party and/or its representative requesting the services is hereinafter referred to as the Client. The Services are prepared and carried out on the assumption that the Clients are aware of the International Maritime and/or Offshore Industry (the Industry) practices. 1.5. - The Society is neither and may not be considered as an Underwriter, Broker in ships sale or chartering, Expert in Units valuation, Consulting Engineer, Controller, Naval Architect, Manufacturer, Shipbuilder, Repair yard, Charterer or Shipowner who are not relieved of any of their expressed or implied obligations by the interventions of the Society. ARTICLE 2 2.1. - Classification is the appraisement given by the Society for its Client, at a certain date, following surveys by its Surveyors along the lines specified in Articles 3 and 4 hereafter on the level of compliance of a Unit to its Rules or part of them. This appraisement is represented by a class entered on the Certificates and periodically transcribed in the Societys Register. 2.2. - Certification is carried out by the Society along the same lines as set out in Articles 3 and 4 hereafter and with reference to the applicable National and International Regulations or Standards. 2.3. - It is incumbent upon the Client to maintain the condition of the Unit after surveys, to present the Unit for surveys and to inform the Society without delay of circumstances which may affect the given appraisement or cause to modify its scope. 2.4. - The Client is to give to the Society all access and information necessary for the performance of the requested Services. ARTICLE 3 3.1. - The Rules, procedures and instructions of the Society take into account at the date of their preparation the state of currently available and proven technical knowledge of the Industry. They are not a code of construction neither a guide for maintenance or a safety handbook. Committees consisting of personalities from the Industry contribute to the development of those documents. 3.2. - The Society only is qualified to apply its Rules and to interpret them. Any reference to them has no effect unless it involves the Societys intervention. 3.3. - The Services of the Society are carried out by professional Surveyors according to the Code of Ethics of the Members of the International Association of Classification Societies (IACS). 3.4. - The operations of the Society in providing its Services are exclusively conducted by way of random inspections and do not in any circumstances involve monitoring or exhaustive verification. ARTICLE 4 4.1. - The Society, acting by reference to its Rules: reviews the construction arrangements of the Units as shown on the documents presented by the Client; conducts surveys at the place of their construction; classes Units and enters their class in its Register; surveys periodically the Units in service to note that the requirements for the maintenance of class are met. The Client is to inform the Society without delay of circumstances which may cause the date or the extent of the surveys to be changed. ARTICLE 5 5.1. - The Society acts as a provider of services. This cannot be construed as an obligation bearing on the Society to obtain a result or as a warranty. 5.2. - The certificates issued by the Society pursuant to 5.1. here above are a statement on the level of compliance of the Unit to its Rules or to the documents of reference for the Services provided for. In particular, the Society does not engage in any work relating to the design, building, production or repair checks, neither in the operation of the Units or in their trade, neither in any advisory services, and cannot be held liable on those accounts. Its certificates cannot be construed as an implied or express warranty of safety, fitness for the purpose, seaworthiness of the Unit or of its value for sale, insurance or chartering. 5.3. - The Society does not declare the acceptance or commissioning of a Unit, nor of its construction in conformity with its design, that being the exclusive responsibility of its owner or builder, respectively. 5.4. - The Services of the Society cannot create any obligation bearing on the Society or constitute any warranty of proper operation, beyond any representation set forth in the Rules, of any Unit, equipment or machinery, computer software of any sort or other comparable concepts that has been subject to any survey by the Society.

SNOITIDNOC LARENEG NOSIVID ENIRAM

ARTICLE 6 6.1. - The Society accepts no responsibility for the use of information related to its Services which was not provided for the purpose by the Society or with its assistance. 6.2. - If the Services of the Society cause to the Client a damage which is proved to be the direct and reasonably foreseeable consequence of an error or omission of the Society, its liability towards the Client is limited to ten times the amount of fee paid for the Service having caused the damage, provided however that this limit shall be subject to a minimum of eight thousand (8,000) Euro, and to a maximum which is the greater of eight hundred thousand (800,000) Euro and one and a half times the above mentioned fee. The Society bears no liability for indirect or consequential loss such as e.g. loss of revenue, loss of profit, loss of production, loss relative to other contracts and indemnities for termination of other agreements. 6.3. - All claims are to be presented to the Society in writing within three months of the date when the Services were supplied or (if later) the date when the events which are relied on of were first known to the Client, and any claim which is not so presented shall be deemed waived and absolutely barred. ARTICLE 7 7.1. - Requests for Services are to be in writing. 7.2. - Either the Client or the Society can terminate as of right the requested Services after giving the other party thirty days' written notice, for convenience, and without prejudice to the provisions in Article 8 hereunder. 7.3. - The class granted to the concerned Units and the previously issued certificates remain valid until the date of effect of the notice issued according to 7.2. hereabove subject to compliance with 2.3. hereabove and Article 8 hereunder. ARTICLE 8 8.1. - The Services of the Society, whether completed or not, involve the payment of fee upon receipt of the invoice and the reimbursement of the expenses incurred. 8.2. - Overdue amounts are increased as of right by interest in accordance with the applicable legislation. 8.3. - The class of a Unit may be suspended in the event of non-payment of fee after a first unfruitful notification to pay. ARTICLE 9 9.1. - The documents and data provided to or prepared by the Society for its Services, and the information available to the Society, are treated as confidential. However: Clients have access to the data they have provided to the Society and, during the period of classification of the Unit for them, to the classification file consisting of survey reports and certificates which have been prepared at any time by the Society for the classification of the Unit ; copy of the documents made available for the classification of the Unit and of available survey reports can be handed over to another Classification Society Member of the International Association of Classification Societies (IACS) in case of the Units transfer of class; the data relative to the evolution of the Register, to the class suspension and to the survey status of the Units are passed on to IACS according to the association working rules; the certificates, documents and information relative to the Units classed with the Society may be reviewed during IACS audits and are disclosed upon order of the concerned governmental or inter-governmental authorities or of a Court having jurisdiction. The documents and data are subject to a file management plan. ARTICLE 10 10.1. - Any delay or shortcoming in the performance of its Services by the Society arising from an event not reasonably foreseeable by or beyond the control of the Society shall be deemed not to be a breach of contract. ARTICLE 11 11.1. - In case of diverging opinions during surveys between the Client and the Societys surveyor, the Society may designate another of its surveyors at the request of the Client. 11.2. - Disagreements of a technical nature between the Client and the Society can be submitted by the Society to the advice of its Marine Advisory Committee. ARTICLE 12 12.1. - Disputes over the Services carried out by delegation of Governments are assessed within the framework of the applicable agreements with the States, international Conventions and national rules. 12.2. - Disputes arising out of the payment of the Societys invoices by the Client are submitted to the Court of Nanterre, France. 12.3. - Other disputes over the present General Conditions or over the Services of the Society are exclusively submitted to arbitration, by three arbitrators, in London according to the Arbitration Act 1996 or any statutory modification or re-enactment thereof. The contract between the Society and the Client shall be governed by English law. ARTICLE 13 13.1. - These General Conditions constitute the sole contractual obligations binding together the Society and the Client, to the exclusion of all other representation, statements, terms, conditions whether express or implied. They may be varied in writing by mutual agreement. 13.2. - The invalidity of one or more stipulations of the present General Conditions does not affect the validity of the remaining provisions. 13.3. - The definitions herein take precedence over any definitions serving the same purpose which may appear in other documents issued by the Society.BV Mod. Ad. ME 545 j - 16 February 2004

Amendments June 2007

Add the following definition at the end of the symbol definition list:IF : Improvement fatigue life factor for grinding technique, generally to be taken equal to 2,2. Another value may be considered by the Society on a case-by-case basis. See also Tab 11 for the applicability of the grinding technique.

Ch 7, Sec 4, [4.3.1]

Replace the definition of symbol KF by the following one:

KF : Fatigue notch factor, equal to:K F = ----30

for flame-cut edges, KF may be taken equal to the values defined in Tab A, depending on the cutting quality, post treatment and control quality.

Parallel to the weld

Perpendicular to the weld (1)

Well contoured end

Perpendicular to the weld

Parallel to the weld

Lap weld (root cracking)

Axial loading out of plane and perpendicular to the weld

4,50

no

Full penetration

Perpendicular to the weld

2,10

yes

Cruciform joint Partial penetration Perpendicular to the weld

Toe cracking: 2,10 Root cracking: 4,50

yes

no

(1)

This case includes the hot spots indicated in the sheets of special structural details in Ch 12, Sec 2 relevant to the connections of longitudinal ordinary stiffeners with transverse primary supporting members.

Multiply, in Table 7, the formula giving the net section modulus w of bottom, side and deck ordinary stiffeners by the expression:s1 ----2

Part D

Amendments to PART D

Ch 20, Sec 3

Multiply, in Table 32 and Table 33, the formula giving the section modulus w of ordinary stiffeners by the following expression:l l Bureau Veritas

s 1 ----2

Ch 21, Sec 2

Multiply, in Table 32 and Table 33, the formula giving the section modulus w of ordinary stiffeners by the following expression:s1 ----2

Amendments June 2007

Part E

Amendments to PART E

Chapter 10

Replace Section 11 by the following one.

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Amendments June 2007

Part E

SECTION 11

COLD WEATHER CONDITIONS COLD (H tDH, E tDE)

11.1

GeneralApplication

stability manual including loading conditions with ice accretion, manual for de-icing procedures. Table 1 : Plans and documents to be submitted for approvalPlan or document Distribution of steel qualities in structures exposed to low air temperatures Trim and stability booklet including the additional loading conditions with ice accretion Damage stability calculations when applicable for the loading conditions with ice accretion Compartments containing internal combustion engines, auxiliary systems, HVAC systems: heat balance for ventilation / air supply to engine turbo-blowers heat balance for sea water / fresh water cooling circuits minimum temperatures required for ambient air to ensure satisfactory operation of the concerned equipment De-icing systems including heating systems: diagrams of the steam, hot water, thermal oil piping or other systems used for de-icing purposes arrangement of the heat tracing systems de-icing arrangements of ballast tanks, sea chests, overboard discharges de-icing arrangements for air intakes De-icing devices distribution board Wheelhouse and cargo control room de-icing system arrangement Deck machinery arrangement( windlasses, winches and deck cranes) including their remote control system

1.1.1 The additional class notation COLD (H tDH, E tDE) is assigned, in accordance with Pt A, Ch 1, Sec 2, [6.13.13], to ships operating in cold weather conditions, as defined in [1.1.2], built and fitted with systems and equipment for deicing complying with the requirements of this Section, where tDH and tDE are defined in [1.1.2] for, respectively, hull and equipment. 1.1.2 Cold weather conditions The requirements of this Section apply to ships intended to operate with the following conditions: tDH: design temperature, in C, to be considered for the hull, provided by the ship designer tDE: design temperature, in C, to be considered for the equipment, provided by the ship designer sea water temperature: 2C wind speed: 30 knots. 1.1.3 The requirements for the additional class notation COLD (H tDH, E tDE) concern mainly the following functions of the ship and its equipment under cold weather conditions: decks and superstructures stability propulsion other essential services, as defined in [3] electricity production navigation crew protection. They cover also: the elimination of ice where necessary for safe access.

1.21.2.1

Documentation to be submitted

Plans and documents to be submitted for approval The plans and documents listed in Tab 1 are to be submitted to the Society for approval. 1.2.2 Plans and documents to be submitted for information The plans and documents listed in Tab 2 are to be submitted to the Society for information. 1.2.3 Plans and documents to be kept on board The Owner is to keep on board the ship the following plans and documents and they are to be made available to the Surveyor:

Table 2 : Plans and documents to be submitted for information

Plan or document Plan showing the detail of the location of the ice accretion, the detail of the area calculation and the total weight of ice for each area De-icing arrangements for gangways, access, working areas, etc. List of tools for ice removal Electrical load balance, including "de-icing case" De-icing system layout (electrical heat tracing) Procedure for de-icing the sea chests

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1.3

Testing

3.1.3 Thermal barriers are to be considered for all pipe or duct penetrations from exposed decks or bulkheads. 3.1.4 The use of cast iron and other brittle materials are not permitted in areas exposed to low temperature. 3.1.5 Gaskets, jointing materials and seals are to be suitable for the temperature mentioned in [1.1.2].

1.3.1 Following installation on board, the systems are to be subjected to operational tests to the satisfaction of the Surveyor.

22.1

Hull and stability

Hull

3.23.2.1

PrinciplesOperation of the propulsion system and other essential systems

2.1.1 Grades of steel The grades of steel for structures exposed to low air temperatures are given in Pt B, Ch 4, Sec 1. 2.1.2 Large lugs are to be avoided. 2.1.3 Shell plating and bow area are to be as smooth as possible to prevent the formation of spray. 2.1.4 Bow anchors are to be recessed as far as possible or in pockets, with provision to ensure that they cannot freeze in place. 2.1.5 Anchors and chain cables are to be of low temperature steel suitable for the conditions defined in [1.1.2].

a) As a general rule, the temperature inside the machinery compartments is to be kept above a minimum value allowing the equipment located in those compartments to operate without restrictions. This applies in particular to the propulsion plant, the electricity generation plant, the emergency generating set, the emergency fire pump and auxiliary systems (such as fuel oil transfer, supply and return piping systems, lubricating oil systems, cooling systems, sewage systems, etc.) and to other essential systems as defined in Pt C, Ch 2, Sec 1. b) The ventilation capacity can be adjusted so as to limit the heat losses. It should however satisfy the engine needs of combustion air while avoiding excessive vacuum in the compartment.Note 1: The attention is drawn to any requirements which may impose a minimum number of air changes in the compartment, in particular to avoid flammable oil or gas accumulation.

2.2

Stability

2.2.1 General The requirements of Pt B, Ch 3, Sec 2, [2] and Pt B, Ch 3, Sec 2, [3] and the applicable requirements of Part E for ships with the notation SDS are to be complied with for the loading conditions described in Pt B, Ch 3, App 2, taking into account the additional weight of ice indicated in [2.2.2]. 2.2.2 Weight of ice accretion The weight distribution of the ice accretion is to be considered as follows: 140 kg/m 2 for the horizontal exposed areas 70 kg/m2 for the vertical or oblique exposed areas.

c) Arrangements are to be made to ensure that the machinery can be brought into operation from the dead ship condition assuming an air temperature as specified in [1.1.2]. d) A partial reduction in propulsion capability may be accepted in cold weather conditions provided that the safety of the ship is not impaired.Note 2: The reduced power is not to be lower than the minimum power required by the ice class notation, where applicable.

33.1

Machinery installationsGeneral

3.2.2 Sea inlet and overboard discharge de-icing Arrangements are to be made to avoid any blockage by ice of: the sea inlets the overboard discharges situated above the water line as well as up to 1 m below the ballast water line. Ballast tank de-icing

3.1.1 Application The requirements contained in the present Article cover: the ship propulsion system and other essential systems, which are to remain in operation in the temperature conditions defined in [1.1.2] the prevention of ice formation which could be detrimental to the safety of the ship or of the passengers and crew. 3.1.2 Materials The materials of pipes and other equipment located on open deck and not insulated are to be suitable for the temperature mentioned in [1.1.2]. The materials of pipes are to comply with recognized standards such as EN10216-4, EN10217-6, etc.

3.2.3

a) Arrangements are to be provided to prevent water ballast freezing in tanks adjacent to the shell and located totally or partly above the ballast water line. b) The following systems will be accepted to prevent water ballast freezing: heating systems internal circulating / pumping systems bubbling systems steam injection systems. c) This also applies to other tanks subject to freezing (such as fresh water, fuel oil).

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3.2.4

Prevention of ice build-up inside pipes and associated fittings

a) Arrangements are to be made to avoid the build-up of ice inside air pipes (in particular those connected to sea chests, cooling water recirculation tanks and ballast tanks) and inside their automatic closing devices, where fitted. b) It also applies to: sounding pipes and overflow pipes serving cooling water recirculation tanks and water ballast tanks piping systems located in exposed areas, including ro-ro spaces, such as compressed air lines, steam lines or steam drain lines when not in use spray water lines exposed deck scuppers, washing lines and discharge lines.Note 1: The above mentioned systems are to be drained when not in use

d) Diversion valves and piping are to be provided at overboard cooling water discharges to permit warm water to be returned to the sea chests to prevent blockage. e) Suction pipes are to be connected as low as possible to the sea chest.Note 1: Other arrangements affording equivalent availability of the cooling water supply can also be considered. Engine cooling systems served by water ballasts may be accepted subject to special consideration.

3.3.2

Arrangement of pipes subject to ice build-up

a) The pipes subject to ice build-up (see [3.2.4]) are to be placed in unexposed locations, or protected by screening, heat tracing or other suitable arrangement. b) Where provided, the insulation material is to be protected by a suitable sheath so designed as to withstand possible sea impacts. c) Exposed scuppers and discharge pipes are to be arranged with heat tracing. 3.3.3 Design of heating systems intended for ballast tanks

3.2.5 Prevention of ice build-up in air intakes Arrangements are to be made to avoid ice accretion on the fresh air intake components (ventilators, louvers, casings, scuppers, etc.), in particular on those serving the machinery spaces, emergency generating set room and HVAC rooms. This may be accomplished by means of closed-circuit ventilation sequences or by electric or steam tracing of the said components. 3.2.6 Fire main At least one of the fire pumps is to be connected to the sea inlet referred to in [3.3.1]. Refer also to Pt C, Ch 4, Sec 6, [1.2.1]. 3.2.7 Air vents heads are to be fitted with de-icing device.

a) Onboard ships where flammable cargo vapours may enter the ballast tanks in case of structural damage, the temperature of any part of the heating system is not to exceed the maximum temperature allowed for the cargo. b) The heating lines including the return lines are to be independent from those serving the cargo tanks. c) Heating coils which are not in use are to be drained. 3.3.4 Bubbling systems

3.33.3.1

Design requirementsDesign of the sea inlets

a) Bubbling systems are to be so designed as to avoid any ice formation in the tank which may be detrimental to the tank structure. b) The bubbling system is to include a sufficient number of air nozzles distributed throughout the tank bottom. c) The maximum pressure induced in the tank by the air supply system is not to exceed the design pressure of the tank. d) The bubbling system may be served: either by a dedicated compressed air plant, or by the general service air system provided its capacity takes into account the air consumption of the bubbling system. 3.3.5 Prevention of tank over-pressurisation

a) The ship is to be provided with at least one sea bay from which pumps supplying cooling water to essential machinery draw. b) The sea bay is to: 1) be supplied with water from at least two sea chests, and 2) be connected to the sea chests by pipes, valves and strainers with a cross sectional area equal to the total area of the suctions served by the sea bay. c) The sea chests are to: 1) be fitted on each side of the ship 2) be as deeply submerged as possible 3) have an open area to the sea of at least five times the total area of the pump suctions served by the sea bay 4) be fitted with a strainer plate at the ship's side having perforations approximately 20 mm diameter to prevent ingestion of large ice particles 5) be fitted with a steam or compressed air connection for clearing the strainer complying with Pt C, Ch 1, Sec 10, [2.8.4], item e).

Provisions are to be made to prevent over-pressurising the tanks and sea chests when the air or steam injection system is operating. Pressure reduction devices are to be fitted where deemed necessary. 3.3.6 Instrumentation

a) Provisions are to be made to ensure a satisfactory operation of the level sensors and remote gauging indicators in ballast tanks.

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b) Temperature sensors are to be provided in each ballast tank, giving an alarm in case of low temperature in the tank.Note 1: The temperature alarms are to be inhibited when the ballast capacities are not used.

heating of wistle heating of antennas and similar equipment a socket outlet is to be provided close to each lifeboat so as to supply the heating system of lifeboat engine.

c) Temperature and pressure sensors are to be fitted in sea bay, so as to generate an alarm. d) Ballast pumps are to be fitted with alarm and shutdown, in case of low pressure at the pump suction. 3.3.7 Supporting of pipes The design and arrangement of the pipe supports and collars are to take into account the weight of ice accretion, which is calculated in accordance with the provisions of [2.2.2]. 3.3.8 P/V valves Specific heating is to be provided for the cargo P/V valves, so as to maintain their proper operation.

4.2.3 The electrical services as indicated in [4.2.2] are considered as essential services. They may be activated manually, when the outside temperature alarm is activated. 4.2.4 The heating power capacity for sizing the de-icing system is to be based on a minimum of 10 |tDE| W/m2, without being less than 300 W/m 2. 4.2.5 When the outside temperature is below 10C during more than 5 hours, an alarm is to be triggered, so as to inform the personnel that the de-icing system is to be put into service.

4.3

Protection

44.1

Electrical installationsGeneral

4.3.1 The heating cables or electrical heating system are to be protected against overload and short circuit. 4.3.2 When heating cables are of the self regulated type, the overload protection may be omitted. 4.3.3 The distribution boards dedicated to the de-icing devices are to be arranged with indication of the devices in service. 4.3.4 The distribution boards dedicated to the de-icing devices are to be arranged with insulation monitoring. A specific alarm dedicated to this service is to be provided. 4.3.5 Where electrical heat tracing is provided in dangerous area, the temperature surface of the cable is not to exceed the maximum temperature allowed for the type of cargo, the ship is entitled to carry.

4.1.1 Electrical equipment fitted in open decks are to be suitable for operation at the temperature mentioned in [1.1.2]. The permanent electrical de-icing devices are to comply with the rules indicated in Part C, Chapter 2. 4.1.2 Cableways supports Cableways supports are to be designed so as to take into consideration the ice load. 4.1.3 Thermal barriers are to be considered for all cable or cable duct penetrations from exposed decks or bulkheads.

4.2

System design

4.2.1 The electrical power necessary to supply the de-icing devices is to be considered as a permanent load. A specific case of load balance taking into account the load of these de-icing devices is to be submitted to the Society. 4.2.2 Following services are to be considered for de-icing arrangement: heated bridge windows and heated cargo control room windows, including arrangement for heating/isolating the windows washing water system, which avoid formation of ice, or mist reducing the visibility through the windows installation of electrical de-icing system for all escape doors and all main doors giving access to the deck area. The system is to be arranged so as to avoid formation of ice, which may block the door heating of bunker lines on deck, when electrical heat tracing is provided together with insulation heating of scupper lines when electrical heat tracing is provided sequence of ventilation in loop in the air inlet compartment so as to avoid ice formation on air intakes for HVAC, machinery room, and emergency generator room

55.1

Additional requirementsSpecial equipmentDe-icing of deck areas

5.1.1

A steam, high pressure hot water, or electrical heating system is to be provided on the exposed deck to allow the deicing of the ship areas to which the crew may have access during the normal operation of the ship, in particular: manoeuvring area loading / unloading area area around the access to the deckhouses passageways, gangways, walkways.

The circulation on exposed decks is to be facilitated by the use of appropriate gratings and stairs (including escapes, access to lifeboats, to winching areas). Where necessary, safety lines are to be provided on the exposed deck. Manual de-icing may be accepted as an alternative method to a limited extent, where such a method is found appropriate and practical.

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5.1.2 De-icing tools De-icing tools, such as scrapers, lances, showels, etc., are to be provided on board to allow manual de-icing. They are to be kept in stores of the main deck and at locations protected from ice accretion. The quantity of equipment is to be sufficient for manual deicing operation. 5.1.3 Specific arrangement for protection of deck machinery (foam monitors, davits, lifeboats, lifejackets lockers, winches, windlasses, cranes), helideck and its access, suppressing the risk of ice formation, such as machinery located in protected spaces, or specific protection arrangement is to be provided. 5.1.4 Personnal protection and evacuation equipment are to be suitable for the temperature defined in [1.1.2].

5.1.5 Specific protection, such as tarpaulins is to be fitted for cargo valves and associated instrumentation. 5.1.6 Operation of deck machinery

The deck machinery is to be arranged so as to operate in the condition defined in [1.1.2]. Where necessary, hydraulic oil system is to be provided with heating arrangement. 5.1.7 HVAC

The HVAC plant is to be designed so as to ensure 20C in the accomodation with outside temperature mentioned in [1.1.2]. Arrangement is made to control humidity. 5.1.8 Attention is to be paid ensuring that navigation and communication equipment is suitable for the temperature mentioned in [1.1.2].